Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Capabilities Linux Security Module | |
3 | * | |
5915eb53 MS |
4 | * This is the default security module in case no other module is loaded. |
5 | * | |
1da177e4 LT |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | */ | |
12 | ||
1da177e4 | 13 | #include <linux/security.h> |
1da177e4 | 14 | |
12b3052c EP |
15 | static int cap_syslog(int type) |
16 | { | |
17 | return 0; | |
18 | } | |
19 | ||
5915eb53 MS |
20 | static int cap_quotactl(int cmds, int type, int id, struct super_block *sb) |
21 | { | |
22 | return 0; | |
23 | } | |
24 | ||
25 | static int cap_quota_on(struct dentry *dentry) | |
26 | { | |
27 | return 0; | |
28 | } | |
29 | ||
dce3a3d2 | 30 | static int cap_bprm_check_security(struct linux_binprm *bprm) |
5915eb53 MS |
31 | { |
32 | return 0; | |
33 | } | |
34 | ||
a6f76f23 | 35 | static void cap_bprm_committing_creds(struct linux_binprm *bprm) |
5915eb53 MS |
36 | { |
37 | } | |
38 | ||
a6f76f23 | 39 | static void cap_bprm_committed_creds(struct linux_binprm *bprm) |
5915eb53 MS |
40 | { |
41 | } | |
42 | ||
5915eb53 MS |
43 | static int cap_sb_alloc_security(struct super_block *sb) |
44 | { | |
45 | return 0; | |
46 | } | |
47 | ||
48 | static void cap_sb_free_security(struct super_block *sb) | |
49 | { | |
50 | } | |
51 | ||
52 | static int cap_sb_copy_data(char *orig, char *copy) | |
53 | { | |
54 | return 0; | |
55 | } | |
56 | ||
ff36fe2c EP |
57 | static int cap_sb_remount(struct super_block *sb, void *data) |
58 | { | |
59 | return 0; | |
60 | } | |
61 | ||
12204e24 | 62 | static int cap_sb_kern_mount(struct super_block *sb, int flags, void *data) |
5915eb53 MS |
63 | { |
64 | return 0; | |
65 | } | |
66 | ||
67 | static int cap_sb_show_options(struct seq_file *m, struct super_block *sb) | |
68 | { | |
69 | return 0; | |
70 | } | |
71 | ||
72 | static int cap_sb_statfs(struct dentry *dentry) | |
73 | { | |
74 | return 0; | |
75 | } | |
76 | ||
808d4e3c AV |
77 | static int cap_sb_mount(const char *dev_name, struct path *path, |
78 | const char *type, unsigned long flags, void *data) | |
5915eb53 MS |
79 | { |
80 | return 0; | |
81 | } | |
82 | ||
5915eb53 MS |
83 | static int cap_sb_umount(struct vfsmount *mnt, int flags) |
84 | { | |
85 | return 0; | |
86 | } | |
87 | ||
5915eb53 MS |
88 | static int cap_sb_pivotroot(struct path *old_path, struct path *new_path) |
89 | { | |
90 | return 0; | |
91 | } | |
92 | ||
5915eb53 | 93 | static int cap_sb_set_mnt_opts(struct super_block *sb, |
649f6e77 DQ |
94 | struct security_mnt_opts *opts, |
95 | unsigned long kern_flags, | |
96 | unsigned long *set_kern_flags) | |
97 | ||
5915eb53 MS |
98 | { |
99 | if (unlikely(opts->num_mnt_opts)) | |
100 | return -EOPNOTSUPP; | |
101 | return 0; | |
102 | } | |
103 | ||
094f7b69 | 104 | static int cap_sb_clone_mnt_opts(const struct super_block *oldsb, |
5915eb53 MS |
105 | struct super_block *newsb) |
106 | { | |
094f7b69 | 107 | return 0; |
5915eb53 MS |
108 | } |
109 | ||
110 | static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
111 | { | |
112 | return 0; | |
113 | } | |
114 | ||
d47be3df DQ |
115 | static int cap_dentry_init_security(struct dentry *dentry, int mode, |
116 | struct qstr *name, void **ctx, | |
117 | u32 *ctxlen) | |
118 | { | |
d4a141c8 | 119 | return -EOPNOTSUPP; |
d47be3df DQ |
120 | } |
121 | ||
5915eb53 MS |
122 | static int cap_inode_alloc_security(struct inode *inode) |
123 | { | |
124 | return 0; | |
125 | } | |
126 | ||
127 | static void cap_inode_free_security(struct inode *inode) | |
128 | { | |
129 | } | |
130 | ||
131 | static int cap_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 132 | const struct qstr *qstr, const char **name, |
2a7dba39 | 133 | void **value, size_t *len) |
5915eb53 MS |
134 | { |
135 | return -EOPNOTSUPP; | |
136 | } | |
137 | ||
138 | static int cap_inode_create(struct inode *inode, struct dentry *dentry, | |
4acdaf27 | 139 | umode_t mask) |
5915eb53 MS |
140 | { |
141 | return 0; | |
142 | } | |
143 | ||
144 | static int cap_inode_link(struct dentry *old_dentry, struct inode *inode, | |
145 | struct dentry *new_dentry) | |
146 | { | |
147 | return 0; | |
148 | } | |
149 | ||
150 | static int cap_inode_unlink(struct inode *inode, struct dentry *dentry) | |
151 | { | |
152 | return 0; | |
153 | } | |
154 | ||
155 | static int cap_inode_symlink(struct inode *inode, struct dentry *dentry, | |
156 | const char *name) | |
157 | { | |
158 | return 0; | |
159 | } | |
160 | ||
161 | static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry, | |
18bb1db3 | 162 | umode_t mask) |
5915eb53 MS |
163 | { |
164 | return 0; | |
165 | } | |
166 | ||
167 | static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry) | |
168 | { | |
169 | return 0; | |
170 | } | |
171 | ||
172 | static int cap_inode_mknod(struct inode *inode, struct dentry *dentry, | |
1a67aafb | 173 | umode_t mode, dev_t dev) |
5915eb53 MS |
174 | { |
175 | return 0; | |
176 | } | |
177 | ||
178 | static int cap_inode_rename(struct inode *old_inode, struct dentry *old_dentry, | |
179 | struct inode *new_inode, struct dentry *new_dentry) | |
180 | { | |
181 | return 0; | |
182 | } | |
183 | ||
184 | static int cap_inode_readlink(struct dentry *dentry) | |
185 | { | |
186 | return 0; | |
187 | } | |
188 | ||
189 | static int cap_inode_follow_link(struct dentry *dentry, | |
190 | struct nameidata *nameidata) | |
191 | { | |
192 | return 0; | |
193 | } | |
194 | ||
e74f71eb | 195 | static int cap_inode_permission(struct inode *inode, int mask) |
5915eb53 MS |
196 | { |
197 | return 0; | |
198 | } | |
199 | ||
200 | static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr) | |
201 | { | |
202 | return 0; | |
203 | } | |
204 | ||
205 | static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) | |
206 | { | |
207 | return 0; | |
208 | } | |
209 | ||
5915eb53 MS |
210 | static void cap_inode_post_setxattr(struct dentry *dentry, const char *name, |
211 | const void *value, size_t size, int flags) | |
212 | { | |
213 | } | |
214 | ||
215 | static int cap_inode_getxattr(struct dentry *dentry, const char *name) | |
216 | { | |
217 | return 0; | |
218 | } | |
219 | ||
220 | static int cap_inode_listxattr(struct dentry *dentry) | |
221 | { | |
222 | return 0; | |
223 | } | |
224 | ||
225 | static int cap_inode_getsecurity(const struct inode *inode, const char *name, | |
226 | void **buffer, bool alloc) | |
227 | { | |
228 | return -EOPNOTSUPP; | |
229 | } | |
230 | ||
231 | static int cap_inode_setsecurity(struct inode *inode, const char *name, | |
232 | const void *value, size_t size, int flags) | |
233 | { | |
234 | return -EOPNOTSUPP; | |
235 | } | |
236 | ||
237 | static int cap_inode_listsecurity(struct inode *inode, char *buffer, | |
238 | size_t buffer_size) | |
239 | { | |
240 | return 0; | |
241 | } | |
242 | ||
243 | static void cap_inode_getsecid(const struct inode *inode, u32 *secid) | |
244 | { | |
245 | *secid = 0; | |
246 | } | |
247 | ||
be6d3e56 | 248 | #ifdef CONFIG_SECURITY_PATH |
04fc66e7 | 249 | static int cap_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
250 | unsigned int dev) |
251 | { | |
252 | return 0; | |
253 | } | |
254 | ||
4572befe | 255 | static int cap_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 KT |
256 | { |
257 | return 0; | |
258 | } | |
259 | ||
260 | static int cap_path_rmdir(struct path *dir, struct dentry *dentry) | |
261 | { | |
262 | return 0; | |
263 | } | |
264 | ||
265 | static int cap_path_unlink(struct path *dir, struct dentry *dentry) | |
266 | { | |
267 | return 0; | |
268 | } | |
269 | ||
270 | static int cap_path_symlink(struct path *dir, struct dentry *dentry, | |
271 | const char *old_name) | |
272 | { | |
273 | return 0; | |
274 | } | |
275 | ||
276 | static int cap_path_link(struct dentry *old_dentry, struct path *new_dir, | |
277 | struct dentry *new_dentry) | |
278 | { | |
279 | return 0; | |
280 | } | |
281 | ||
282 | static int cap_path_rename(struct path *old_path, struct dentry *old_dentry, | |
283 | struct path *new_path, struct dentry *new_dentry) | |
284 | { | |
285 | return 0; | |
286 | } | |
287 | ||
ea0d3ab2 | 288 | static int cap_path_truncate(struct path *path) |
be6d3e56 KT |
289 | { |
290 | return 0; | |
291 | } | |
89eda068 | 292 | |
cdcf116d | 293 | static int cap_path_chmod(struct path *path, umode_t mode) |
89eda068 TH |
294 | { |
295 | return 0; | |
296 | } | |
297 | ||
d2b31ca6 | 298 | static int cap_path_chown(struct path *path, kuid_t uid, kgid_t gid) |
89eda068 TH |
299 | { |
300 | return 0; | |
301 | } | |
8b8efb44 TH |
302 | |
303 | static int cap_path_chroot(struct path *root) | |
304 | { | |
305 | return 0; | |
306 | } | |
be6d3e56 KT |
307 | #endif |
308 | ||
5915eb53 MS |
309 | static int cap_file_permission(struct file *file, int mask) |
310 | { | |
311 | return 0; | |
312 | } | |
313 | ||
314 | static int cap_file_alloc_security(struct file *file) | |
315 | { | |
316 | return 0; | |
317 | } | |
318 | ||
319 | static void cap_file_free_security(struct file *file) | |
320 | { | |
321 | } | |
322 | ||
323 | static int cap_file_ioctl(struct file *file, unsigned int command, | |
324 | unsigned long arg) | |
325 | { | |
326 | return 0; | |
327 | } | |
328 | ||
5915eb53 MS |
329 | static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
330 | unsigned long prot) | |
331 | { | |
332 | return 0; | |
333 | } | |
334 | ||
335 | static int cap_file_lock(struct file *file, unsigned int cmd) | |
336 | { | |
337 | return 0; | |
338 | } | |
339 | ||
340 | static int cap_file_fcntl(struct file *file, unsigned int cmd, | |
341 | unsigned long arg) | |
342 | { | |
343 | return 0; | |
344 | } | |
345 | ||
e0b93edd | 346 | static void cap_file_set_fowner(struct file *file) |
5915eb53 | 347 | { |
e0b93edd | 348 | return; |
5915eb53 MS |
349 | } |
350 | ||
351 | static int cap_file_send_sigiotask(struct task_struct *tsk, | |
352 | struct fown_struct *fown, int sig) | |
353 | { | |
354 | return 0; | |
355 | } | |
356 | ||
357 | static int cap_file_receive(struct file *file) | |
358 | { | |
359 | return 0; | |
360 | } | |
361 | ||
83d49856 | 362 | static int cap_file_open(struct file *file, const struct cred *cred) |
5915eb53 MS |
363 | { |
364 | return 0; | |
365 | } | |
366 | ||
367 | static int cap_task_create(unsigned long clone_flags) | |
368 | { | |
369 | return 0; | |
370 | } | |
371 | ||
1a2a4d06 KC |
372 | static void cap_task_free(struct task_struct *task) |
373 | { | |
374 | } | |
375 | ||
ee18d64c DH |
376 | static int cap_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
377 | { | |
378 | return 0; | |
379 | } | |
380 | ||
d84f4f99 DH |
381 | static void cap_cred_free(struct cred *cred) |
382 | { | |
383 | } | |
384 | ||
385 | static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp) | |
5915eb53 MS |
386 | { |
387 | return 0; | |
388 | } | |
389 | ||
ee18d64c DH |
390 | static void cap_cred_transfer(struct cred *new, const struct cred *old) |
391 | { | |
392 | } | |
393 | ||
3a3b7ce9 DH |
394 | static int cap_kernel_act_as(struct cred *new, u32 secid) |
395 | { | |
396 | return 0; | |
397 | } | |
398 | ||
399 | static int cap_kernel_create_files_as(struct cred *new, struct inode *inode) | |
400 | { | |
401 | return 0; | |
402 | } | |
403 | ||
13752fe2 KC |
404 | static int cap_kernel_fw_from_file(struct file *file, char *buf, size_t size) |
405 | { | |
406 | return 0; | |
407 | } | |
408 | ||
dd8dbf2e | 409 | static int cap_kernel_module_request(char *kmod_name) |
9188499c EP |
410 | { |
411 | return 0; | |
412 | } | |
413 | ||
2e72d51b KC |
414 | static int cap_kernel_module_from_file(struct file *file) |
415 | { | |
416 | return 0; | |
417 | } | |
418 | ||
5915eb53 MS |
419 | static int cap_task_setpgid(struct task_struct *p, pid_t pgid) |
420 | { | |
421 | return 0; | |
422 | } | |
1da177e4 | 423 | |
5915eb53 | 424 | static int cap_task_getpgid(struct task_struct *p) |
1da177e4 | 425 | { |
1da177e4 LT |
426 | return 0; |
427 | } | |
428 | ||
5915eb53 MS |
429 | static int cap_task_getsid(struct task_struct *p) |
430 | { | |
431 | return 0; | |
432 | } | |
433 | ||
434 | static void cap_task_getsecid(struct task_struct *p, u32 *secid) | |
435 | { | |
436 | *secid = 0; | |
437 | } | |
438 | ||
5915eb53 MS |
439 | static int cap_task_getioprio(struct task_struct *p) |
440 | { | |
441 | return 0; | |
442 | } | |
443 | ||
8fd00b4d JS |
444 | static int cap_task_setrlimit(struct task_struct *p, unsigned int resource, |
445 | struct rlimit *new_rlim) | |
5915eb53 MS |
446 | { |
447 | return 0; | |
448 | } | |
449 | ||
450 | static int cap_task_getscheduler(struct task_struct *p) | |
451 | { | |
452 | return 0; | |
453 | } | |
454 | ||
455 | static int cap_task_movememory(struct task_struct *p) | |
456 | { | |
457 | return 0; | |
458 | } | |
459 | ||
460 | static int cap_task_wait(struct task_struct *p) | |
461 | { | |
462 | return 0; | |
463 | } | |
464 | ||
465 | static int cap_task_kill(struct task_struct *p, struct siginfo *info, | |
466 | int sig, u32 secid) | |
467 | { | |
468 | return 0; | |
469 | } | |
470 | ||
471 | static void cap_task_to_inode(struct task_struct *p, struct inode *inode) | |
472 | { | |
473 | } | |
474 | ||
475 | static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
476 | { | |
477 | return 0; | |
478 | } | |
479 | ||
480 | static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) | |
481 | { | |
482 | *secid = 0; | |
483 | } | |
484 | ||
485 | static int cap_msg_msg_alloc_security(struct msg_msg *msg) | |
486 | { | |
487 | return 0; | |
488 | } | |
489 | ||
490 | static void cap_msg_msg_free_security(struct msg_msg *msg) | |
491 | { | |
492 | } | |
493 | ||
494 | static int cap_msg_queue_alloc_security(struct msg_queue *msq) | |
495 | { | |
496 | return 0; | |
497 | } | |
498 | ||
499 | static void cap_msg_queue_free_security(struct msg_queue *msq) | |
500 | { | |
501 | } | |
502 | ||
503 | static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
504 | { | |
505 | return 0; | |
506 | } | |
507 | ||
508 | static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
509 | { | |
510 | return 0; | |
511 | } | |
512 | ||
513 | static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg, | |
514 | int msgflg) | |
515 | { | |
516 | return 0; | |
517 | } | |
518 | ||
519 | static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
520 | struct task_struct *target, long type, int mode) | |
521 | { | |
522 | return 0; | |
523 | } | |
524 | ||
525 | static int cap_shm_alloc_security(struct shmid_kernel *shp) | |
526 | { | |
527 | return 0; | |
528 | } | |
529 | ||
530 | static void cap_shm_free_security(struct shmid_kernel *shp) | |
531 | { | |
532 | } | |
533 | ||
534 | static int cap_shm_associate(struct shmid_kernel *shp, int shmflg) | |
535 | { | |
536 | return 0; | |
537 | } | |
538 | ||
539 | static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
540 | { | |
541 | return 0; | |
542 | } | |
543 | ||
544 | static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, | |
545 | int shmflg) | |
546 | { | |
547 | return 0; | |
548 | } | |
549 | ||
550 | static int cap_sem_alloc_security(struct sem_array *sma) | |
551 | { | |
552 | return 0; | |
553 | } | |
554 | ||
555 | static void cap_sem_free_security(struct sem_array *sma) | |
556 | { | |
557 | } | |
558 | ||
559 | static int cap_sem_associate(struct sem_array *sma, int semflg) | |
560 | { | |
561 | return 0; | |
562 | } | |
563 | ||
564 | static int cap_sem_semctl(struct sem_array *sma, int cmd) | |
565 | { | |
566 | return 0; | |
567 | } | |
568 | ||
569 | static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
570 | unsigned nsops, int alter) | |
571 | { | |
572 | return 0; | |
573 | } | |
574 | ||
575 | #ifdef CONFIG_SECURITY_NETWORK | |
3610cda5 | 576 | static int cap_unix_stream_connect(struct sock *sock, struct sock *other, |
5915eb53 MS |
577 | struct sock *newsk) |
578 | { | |
579 | return 0; | |
580 | } | |
581 | ||
582 | static int cap_unix_may_send(struct socket *sock, struct socket *other) | |
583 | { | |
584 | return 0; | |
585 | } | |
586 | ||
587 | static int cap_socket_create(int family, int type, int protocol, int kern) | |
588 | { | |
589 | return 0; | |
590 | } | |
591 | ||
592 | static int cap_socket_post_create(struct socket *sock, int family, int type, | |
593 | int protocol, int kern) | |
594 | { | |
595 | return 0; | |
596 | } | |
597 | ||
598 | static int cap_socket_bind(struct socket *sock, struct sockaddr *address, | |
599 | int addrlen) | |
600 | { | |
601 | return 0; | |
602 | } | |
603 | ||
604 | static int cap_socket_connect(struct socket *sock, struct sockaddr *address, | |
605 | int addrlen) | |
606 | { | |
607 | return 0; | |
608 | } | |
609 | ||
610 | static int cap_socket_listen(struct socket *sock, int backlog) | |
611 | { | |
612 | return 0; | |
613 | } | |
614 | ||
615 | static int cap_socket_accept(struct socket *sock, struct socket *newsock) | |
616 | { | |
617 | return 0; | |
618 | } | |
619 | ||
5915eb53 MS |
620 | static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
621 | { | |
622 | return 0; | |
623 | } | |
624 | ||
625 | static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
626 | int size, int flags) | |
627 | { | |
628 | return 0; | |
629 | } | |
630 | ||
631 | static int cap_socket_getsockname(struct socket *sock) | |
632 | { | |
633 | return 0; | |
634 | } | |
635 | ||
636 | static int cap_socket_getpeername(struct socket *sock) | |
637 | { | |
638 | return 0; | |
639 | } | |
640 | ||
641 | static int cap_socket_setsockopt(struct socket *sock, int level, int optname) | |
642 | { | |
643 | return 0; | |
644 | } | |
645 | ||
646 | static int cap_socket_getsockopt(struct socket *sock, int level, int optname) | |
647 | { | |
648 | return 0; | |
649 | } | |
650 | ||
651 | static int cap_socket_shutdown(struct socket *sock, int how) | |
652 | { | |
653 | return 0; | |
654 | } | |
655 | ||
656 | static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
657 | { | |
658 | return 0; | |
659 | } | |
660 | ||
661 | static int cap_socket_getpeersec_stream(struct socket *sock, | |
662 | char __user *optval, | |
663 | int __user *optlen, unsigned len) | |
664 | { | |
665 | return -ENOPROTOOPT; | |
666 | } | |
667 | ||
668 | static int cap_socket_getpeersec_dgram(struct socket *sock, | |
669 | struct sk_buff *skb, u32 *secid) | |
670 | { | |
671 | return -ENOPROTOOPT; | |
672 | } | |
673 | ||
674 | static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority) | |
675 | { | |
676 | return 0; | |
677 | } | |
678 | ||
679 | static void cap_sk_free_security(struct sock *sk) | |
680 | { | |
681 | } | |
682 | ||
683 | static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk) | |
684 | { | |
685 | } | |
686 | ||
687 | static void cap_sk_getsecid(struct sock *sk, u32 *secid) | |
688 | { | |
689 | } | |
690 | ||
691 | static void cap_sock_graft(struct sock *sk, struct socket *parent) | |
692 | { | |
693 | } | |
694 | ||
695 | static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb, | |
696 | struct request_sock *req) | |
697 | { | |
698 | return 0; | |
699 | } | |
700 | ||
701 | static void cap_inet_csk_clone(struct sock *newsk, | |
702 | const struct request_sock *req) | |
703 | { | |
704 | } | |
705 | ||
706 | static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb) | |
707 | { | |
708 | } | |
709 | ||
2606fd1f EP |
710 | static int cap_secmark_relabel_packet(u32 secid) |
711 | { | |
712 | return 0; | |
713 | } | |
2b980dbd | 714 | |
2606fd1f EP |
715 | static void cap_secmark_refcount_inc(void) |
716 | { | |
717 | } | |
718 | ||
719 | static void cap_secmark_refcount_dec(void) | |
720 | { | |
721 | } | |
2b980dbd | 722 | |
5915eb53 MS |
723 | static void cap_req_classify_flow(const struct request_sock *req, |
724 | struct flowi *fl) | |
725 | { | |
726 | } | |
2b980dbd | 727 | |
5dbbaf2d PM |
728 | static int cap_tun_dev_alloc_security(void **security) |
729 | { | |
730 | return 0; | |
731 | } | |
732 | ||
733 | static void cap_tun_dev_free_security(void *security) | |
734 | { | |
735 | } | |
736 | ||
2b980dbd PM |
737 | static int cap_tun_dev_create(void) |
738 | { | |
739 | return 0; | |
740 | } | |
741 | ||
5dbbaf2d PM |
742 | static int cap_tun_dev_attach_queue(void *security) |
743 | { | |
744 | return 0; | |
745 | } | |
746 | ||
747 | static int cap_tun_dev_attach(struct sock *sk, void *security) | |
2b980dbd | 748 | { |
5dbbaf2d | 749 | return 0; |
2b980dbd PM |
750 | } |
751 | ||
5dbbaf2d | 752 | static int cap_tun_dev_open(void *security) |
2b980dbd PM |
753 | { |
754 | return 0; | |
755 | } | |
ca10b9e9 ED |
756 | |
757 | static void cap_skb_owned_by(struct sk_buff *skb, struct sock *sk) | |
758 | { | |
759 | } | |
760 | ||
5915eb53 MS |
761 | #endif /* CONFIG_SECURITY_NETWORK */ |
762 | ||
763 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
764 | static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp, | |
52a4c640 NA |
765 | struct xfrm_user_sec_ctx *sec_ctx, |
766 | gfp_t gfp) | |
5915eb53 MS |
767 | { |
768 | return 0; | |
769 | } | |
770 | ||
771 | static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx, | |
772 | struct xfrm_sec_ctx **new_ctxp) | |
773 | { | |
774 | return 0; | |
775 | } | |
776 | ||
777 | static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx) | |
778 | { | |
779 | } | |
780 | ||
781 | static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx) | |
782 | { | |
783 | return 0; | |
784 | } | |
785 | ||
2e5aa866 PM |
786 | static int cap_xfrm_state_alloc(struct xfrm_state *x, |
787 | struct xfrm_user_sec_ctx *sec_ctx) | |
788 | { | |
789 | return 0; | |
790 | } | |
791 | ||
792 | static int cap_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
793 | struct xfrm_sec_ctx *polsec, | |
794 | u32 secid) | |
5915eb53 MS |
795 | { |
796 | return 0; | |
797 | } | |
798 | ||
799 | static void cap_xfrm_state_free_security(struct xfrm_state *x) | |
800 | { | |
801 | } | |
802 | ||
803 | static int cap_xfrm_state_delete_security(struct xfrm_state *x) | |
804 | { | |
805 | return 0; | |
806 | } | |
807 | ||
808 | static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir) | |
809 | { | |
810 | return 0; | |
811 | } | |
812 | ||
813 | static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
814 | struct xfrm_policy *xp, | |
e33f7704 | 815 | const struct flowi *fl) |
5915eb53 MS |
816 | { |
817 | return 1; | |
818 | } | |
819 | ||
820 | static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall) | |
821 | { | |
822 | return 0; | |
823 | } | |
824 | ||
825 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
5915eb53 MS |
826 | static void cap_d_instantiate(struct dentry *dentry, struct inode *inode) |
827 | { | |
828 | } | |
829 | ||
830 | static int cap_getprocattr(struct task_struct *p, char *name, char **value) | |
831 | { | |
832 | return -EINVAL; | |
833 | } | |
834 | ||
835 | static int cap_setprocattr(struct task_struct *p, char *name, void *value, | |
836 | size_t size) | |
837 | { | |
838 | return -EINVAL; | |
839 | } | |
840 | ||
746df9b5 DQ |
841 | static int cap_ismaclabel(const char *name) |
842 | { | |
843 | return 0; | |
844 | } | |
845 | ||
5915eb53 MS |
846 | static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
847 | { | |
848 | return -EOPNOTSUPP; | |
849 | } | |
850 | ||
851 | static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) | |
852 | { | |
2606fd1f EP |
853 | *secid = 0; |
854 | return 0; | |
5915eb53 MS |
855 | } |
856 | ||
857 | static void cap_release_secctx(char *secdata, u32 seclen) | |
858 | { | |
859 | } | |
860 | ||
1ee65e37 DQ |
861 | static int cap_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
862 | { | |
863 | return 0; | |
864 | } | |
865 | ||
866 | static int cap_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
867 | { | |
868 | return 0; | |
869 | } | |
870 | ||
871 | static int cap_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
872 | { | |
0d422afb | 873 | return -EOPNOTSUPP; |
1ee65e37 | 874 | } |
5915eb53 | 875 | #ifdef CONFIG_KEYS |
d84f4f99 | 876 | static int cap_key_alloc(struct key *key, const struct cred *cred, |
5915eb53 MS |
877 | unsigned long flags) |
878 | { | |
879 | return 0; | |
880 | } | |
881 | ||
882 | static void cap_key_free(struct key *key) | |
883 | { | |
884 | } | |
885 | ||
d84f4f99 | 886 | static int cap_key_permission(key_ref_t key_ref, const struct cred *cred, |
f5895943 | 887 | unsigned perm) |
5915eb53 MS |
888 | { |
889 | return 0; | |
890 | } | |
891 | ||
892 | static int cap_key_getsecurity(struct key *key, char **_buffer) | |
893 | { | |
894 | *_buffer = NULL; | |
895 | return 0; | |
896 | } | |
897 | ||
898 | #endif /* CONFIG_KEYS */ | |
899 | ||
900 | #ifdef CONFIG_AUDIT | |
901 | static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
902 | { | |
903 | return 0; | |
904 | } | |
905 | ||
906 | static int cap_audit_rule_known(struct audit_krule *krule) | |
907 | { | |
908 | return 0; | |
909 | } | |
910 | ||
911 | static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
912 | struct audit_context *actx) | |
913 | { | |
914 | return 0; | |
915 | } | |
916 | ||
917 | static void cap_audit_rule_free(void *lsmrule) | |
918 | { | |
919 | } | |
920 | #endif /* CONFIG_AUDIT */ | |
921 | ||
5915eb53 MS |
922 | #define set_to_cap_if_null(ops, function) \ |
923 | do { \ | |
924 | if (!ops->function) { \ | |
925 | ops->function = cap_##function; \ | |
926 | pr_debug("Had to override the " #function \ | |
927 | " security operation with the default.\n");\ | |
928 | } \ | |
929 | } while (0) | |
930 | ||
c80901f2 | 931 | void __init security_fixup_ops(struct security_operations *ops) |
5915eb53 | 932 | { |
9e48858f | 933 | set_to_cap_if_null(ops, ptrace_access_check); |
5cd9c58f | 934 | set_to_cap_if_null(ops, ptrace_traceme); |
5915eb53 | 935 | set_to_cap_if_null(ops, capget); |
d84f4f99 | 936 | set_to_cap_if_null(ops, capset); |
5915eb53 MS |
937 | set_to_cap_if_null(ops, capable); |
938 | set_to_cap_if_null(ops, quotactl); | |
939 | set_to_cap_if_null(ops, quota_on); | |
5915eb53 MS |
940 | set_to_cap_if_null(ops, syslog); |
941 | set_to_cap_if_null(ops, settime); | |
942 | set_to_cap_if_null(ops, vm_enough_memory); | |
a6f76f23 DH |
943 | set_to_cap_if_null(ops, bprm_set_creds); |
944 | set_to_cap_if_null(ops, bprm_committing_creds); | |
945 | set_to_cap_if_null(ops, bprm_committed_creds); | |
5915eb53 MS |
946 | set_to_cap_if_null(ops, bprm_check_security); |
947 | set_to_cap_if_null(ops, bprm_secureexec); | |
948 | set_to_cap_if_null(ops, sb_alloc_security); | |
949 | set_to_cap_if_null(ops, sb_free_security); | |
950 | set_to_cap_if_null(ops, sb_copy_data); | |
ff36fe2c | 951 | set_to_cap_if_null(ops, sb_remount); |
5915eb53 MS |
952 | set_to_cap_if_null(ops, sb_kern_mount); |
953 | set_to_cap_if_null(ops, sb_show_options); | |
954 | set_to_cap_if_null(ops, sb_statfs); | |
955 | set_to_cap_if_null(ops, sb_mount); | |
5915eb53 | 956 | set_to_cap_if_null(ops, sb_umount); |
5915eb53 | 957 | set_to_cap_if_null(ops, sb_pivotroot); |
5915eb53 MS |
958 | set_to_cap_if_null(ops, sb_set_mnt_opts); |
959 | set_to_cap_if_null(ops, sb_clone_mnt_opts); | |
960 | set_to_cap_if_null(ops, sb_parse_opts_str); | |
d47be3df | 961 | set_to_cap_if_null(ops, dentry_init_security); |
5915eb53 MS |
962 | set_to_cap_if_null(ops, inode_alloc_security); |
963 | set_to_cap_if_null(ops, inode_free_security); | |
964 | set_to_cap_if_null(ops, inode_init_security); | |
965 | set_to_cap_if_null(ops, inode_create); | |
966 | set_to_cap_if_null(ops, inode_link); | |
967 | set_to_cap_if_null(ops, inode_unlink); | |
968 | set_to_cap_if_null(ops, inode_symlink); | |
969 | set_to_cap_if_null(ops, inode_mkdir); | |
970 | set_to_cap_if_null(ops, inode_rmdir); | |
971 | set_to_cap_if_null(ops, inode_mknod); | |
972 | set_to_cap_if_null(ops, inode_rename); | |
973 | set_to_cap_if_null(ops, inode_readlink); | |
974 | set_to_cap_if_null(ops, inode_follow_link); | |
975 | set_to_cap_if_null(ops, inode_permission); | |
976 | set_to_cap_if_null(ops, inode_setattr); | |
977 | set_to_cap_if_null(ops, inode_getattr); | |
5915eb53 MS |
978 | set_to_cap_if_null(ops, inode_setxattr); |
979 | set_to_cap_if_null(ops, inode_post_setxattr); | |
980 | set_to_cap_if_null(ops, inode_getxattr); | |
981 | set_to_cap_if_null(ops, inode_listxattr); | |
982 | set_to_cap_if_null(ops, inode_removexattr); | |
983 | set_to_cap_if_null(ops, inode_need_killpriv); | |
984 | set_to_cap_if_null(ops, inode_killpriv); | |
985 | set_to_cap_if_null(ops, inode_getsecurity); | |
986 | set_to_cap_if_null(ops, inode_setsecurity); | |
987 | set_to_cap_if_null(ops, inode_listsecurity); | |
988 | set_to_cap_if_null(ops, inode_getsecid); | |
be6d3e56 KT |
989 | #ifdef CONFIG_SECURITY_PATH |
990 | set_to_cap_if_null(ops, path_mknod); | |
991 | set_to_cap_if_null(ops, path_mkdir); | |
992 | set_to_cap_if_null(ops, path_rmdir); | |
993 | set_to_cap_if_null(ops, path_unlink); | |
994 | set_to_cap_if_null(ops, path_symlink); | |
995 | set_to_cap_if_null(ops, path_link); | |
996 | set_to_cap_if_null(ops, path_rename); | |
997 | set_to_cap_if_null(ops, path_truncate); | |
89eda068 TH |
998 | set_to_cap_if_null(ops, path_chmod); |
999 | set_to_cap_if_null(ops, path_chown); | |
8b8efb44 | 1000 | set_to_cap_if_null(ops, path_chroot); |
be6d3e56 | 1001 | #endif |
5915eb53 MS |
1002 | set_to_cap_if_null(ops, file_permission); |
1003 | set_to_cap_if_null(ops, file_alloc_security); | |
1004 | set_to_cap_if_null(ops, file_free_security); | |
1005 | set_to_cap_if_null(ops, file_ioctl); | |
e5467859 AV |
1006 | set_to_cap_if_null(ops, mmap_addr); |
1007 | set_to_cap_if_null(ops, mmap_file); | |
5915eb53 MS |
1008 | set_to_cap_if_null(ops, file_mprotect); |
1009 | set_to_cap_if_null(ops, file_lock); | |
1010 | set_to_cap_if_null(ops, file_fcntl); | |
1011 | set_to_cap_if_null(ops, file_set_fowner); | |
1012 | set_to_cap_if_null(ops, file_send_sigiotask); | |
1013 | set_to_cap_if_null(ops, file_receive); | |
83d49856 | 1014 | set_to_cap_if_null(ops, file_open); |
5915eb53 | 1015 | set_to_cap_if_null(ops, task_create); |
1a2a4d06 | 1016 | set_to_cap_if_null(ops, task_free); |
ee18d64c | 1017 | set_to_cap_if_null(ops, cred_alloc_blank); |
f1752eec | 1018 | set_to_cap_if_null(ops, cred_free); |
d84f4f99 | 1019 | set_to_cap_if_null(ops, cred_prepare); |
ee18d64c | 1020 | set_to_cap_if_null(ops, cred_transfer); |
3a3b7ce9 DH |
1021 | set_to_cap_if_null(ops, kernel_act_as); |
1022 | set_to_cap_if_null(ops, kernel_create_files_as); | |
13752fe2 | 1023 | set_to_cap_if_null(ops, kernel_fw_from_file); |
9188499c | 1024 | set_to_cap_if_null(ops, kernel_module_request); |
2e72d51b | 1025 | set_to_cap_if_null(ops, kernel_module_from_file); |
d84f4f99 | 1026 | set_to_cap_if_null(ops, task_fix_setuid); |
5915eb53 MS |
1027 | set_to_cap_if_null(ops, task_setpgid); |
1028 | set_to_cap_if_null(ops, task_getpgid); | |
1029 | set_to_cap_if_null(ops, task_getsid); | |
1030 | set_to_cap_if_null(ops, task_getsecid); | |
5915eb53 MS |
1031 | set_to_cap_if_null(ops, task_setnice); |
1032 | set_to_cap_if_null(ops, task_setioprio); | |
1033 | set_to_cap_if_null(ops, task_getioprio); | |
1034 | set_to_cap_if_null(ops, task_setrlimit); | |
1035 | set_to_cap_if_null(ops, task_setscheduler); | |
1036 | set_to_cap_if_null(ops, task_getscheduler); | |
1037 | set_to_cap_if_null(ops, task_movememory); | |
1038 | set_to_cap_if_null(ops, task_wait); | |
1039 | set_to_cap_if_null(ops, task_kill); | |
1040 | set_to_cap_if_null(ops, task_prctl); | |
5915eb53 MS |
1041 | set_to_cap_if_null(ops, task_to_inode); |
1042 | set_to_cap_if_null(ops, ipc_permission); | |
1043 | set_to_cap_if_null(ops, ipc_getsecid); | |
1044 | set_to_cap_if_null(ops, msg_msg_alloc_security); | |
1045 | set_to_cap_if_null(ops, msg_msg_free_security); | |
1046 | set_to_cap_if_null(ops, msg_queue_alloc_security); | |
1047 | set_to_cap_if_null(ops, msg_queue_free_security); | |
1048 | set_to_cap_if_null(ops, msg_queue_associate); | |
1049 | set_to_cap_if_null(ops, msg_queue_msgctl); | |
1050 | set_to_cap_if_null(ops, msg_queue_msgsnd); | |
1051 | set_to_cap_if_null(ops, msg_queue_msgrcv); | |
1052 | set_to_cap_if_null(ops, shm_alloc_security); | |
1053 | set_to_cap_if_null(ops, shm_free_security); | |
1054 | set_to_cap_if_null(ops, shm_associate); | |
1055 | set_to_cap_if_null(ops, shm_shmctl); | |
1056 | set_to_cap_if_null(ops, shm_shmat); | |
1057 | set_to_cap_if_null(ops, sem_alloc_security); | |
1058 | set_to_cap_if_null(ops, sem_free_security); | |
1059 | set_to_cap_if_null(ops, sem_associate); | |
1060 | set_to_cap_if_null(ops, sem_semctl); | |
1061 | set_to_cap_if_null(ops, sem_semop); | |
1062 | set_to_cap_if_null(ops, netlink_send); | |
5915eb53 MS |
1063 | set_to_cap_if_null(ops, d_instantiate); |
1064 | set_to_cap_if_null(ops, getprocattr); | |
1065 | set_to_cap_if_null(ops, setprocattr); | |
746df9b5 | 1066 | set_to_cap_if_null(ops, ismaclabel); |
5915eb53 MS |
1067 | set_to_cap_if_null(ops, secid_to_secctx); |
1068 | set_to_cap_if_null(ops, secctx_to_secid); | |
1069 | set_to_cap_if_null(ops, release_secctx); | |
1ee65e37 DQ |
1070 | set_to_cap_if_null(ops, inode_notifysecctx); |
1071 | set_to_cap_if_null(ops, inode_setsecctx); | |
1072 | set_to_cap_if_null(ops, inode_getsecctx); | |
5915eb53 MS |
1073 | #ifdef CONFIG_SECURITY_NETWORK |
1074 | set_to_cap_if_null(ops, unix_stream_connect); | |
1075 | set_to_cap_if_null(ops, unix_may_send); | |
1076 | set_to_cap_if_null(ops, socket_create); | |
1077 | set_to_cap_if_null(ops, socket_post_create); | |
1078 | set_to_cap_if_null(ops, socket_bind); | |
1079 | set_to_cap_if_null(ops, socket_connect); | |
1080 | set_to_cap_if_null(ops, socket_listen); | |
1081 | set_to_cap_if_null(ops, socket_accept); | |
5915eb53 MS |
1082 | set_to_cap_if_null(ops, socket_sendmsg); |
1083 | set_to_cap_if_null(ops, socket_recvmsg); | |
1084 | set_to_cap_if_null(ops, socket_getsockname); | |
1085 | set_to_cap_if_null(ops, socket_getpeername); | |
1086 | set_to_cap_if_null(ops, socket_setsockopt); | |
1087 | set_to_cap_if_null(ops, socket_getsockopt); | |
1088 | set_to_cap_if_null(ops, socket_shutdown); | |
1089 | set_to_cap_if_null(ops, socket_sock_rcv_skb); | |
1090 | set_to_cap_if_null(ops, socket_getpeersec_stream); | |
1091 | set_to_cap_if_null(ops, socket_getpeersec_dgram); | |
1092 | set_to_cap_if_null(ops, sk_alloc_security); | |
1093 | set_to_cap_if_null(ops, sk_free_security); | |
1094 | set_to_cap_if_null(ops, sk_clone_security); | |
1095 | set_to_cap_if_null(ops, sk_getsecid); | |
1096 | set_to_cap_if_null(ops, sock_graft); | |
1097 | set_to_cap_if_null(ops, inet_conn_request); | |
1098 | set_to_cap_if_null(ops, inet_csk_clone); | |
1099 | set_to_cap_if_null(ops, inet_conn_established); | |
2606fd1f EP |
1100 | set_to_cap_if_null(ops, secmark_relabel_packet); |
1101 | set_to_cap_if_null(ops, secmark_refcount_inc); | |
1102 | set_to_cap_if_null(ops, secmark_refcount_dec); | |
5915eb53 | 1103 | set_to_cap_if_null(ops, req_classify_flow); |
5dbbaf2d PM |
1104 | set_to_cap_if_null(ops, tun_dev_alloc_security); |
1105 | set_to_cap_if_null(ops, tun_dev_free_security); | |
2b980dbd | 1106 | set_to_cap_if_null(ops, tun_dev_create); |
5dbbaf2d PM |
1107 | set_to_cap_if_null(ops, tun_dev_open); |
1108 | set_to_cap_if_null(ops, tun_dev_attach_queue); | |
2b980dbd | 1109 | set_to_cap_if_null(ops, tun_dev_attach); |
ca10b9e9 | 1110 | set_to_cap_if_null(ops, skb_owned_by); |
5915eb53 MS |
1111 | #endif /* CONFIG_SECURITY_NETWORK */ |
1112 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1113 | set_to_cap_if_null(ops, xfrm_policy_alloc_security); | |
1114 | set_to_cap_if_null(ops, xfrm_policy_clone_security); | |
1115 | set_to_cap_if_null(ops, xfrm_policy_free_security); | |
1116 | set_to_cap_if_null(ops, xfrm_policy_delete_security); | |
2e5aa866 PM |
1117 | set_to_cap_if_null(ops, xfrm_state_alloc); |
1118 | set_to_cap_if_null(ops, xfrm_state_alloc_acquire); | |
5915eb53 MS |
1119 | set_to_cap_if_null(ops, xfrm_state_free_security); |
1120 | set_to_cap_if_null(ops, xfrm_state_delete_security); | |
1121 | set_to_cap_if_null(ops, xfrm_policy_lookup); | |
1122 | set_to_cap_if_null(ops, xfrm_state_pol_flow_match); | |
1123 | set_to_cap_if_null(ops, xfrm_decode_session); | |
1124 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1125 | #ifdef CONFIG_KEYS | |
1126 | set_to_cap_if_null(ops, key_alloc); | |
1127 | set_to_cap_if_null(ops, key_free); | |
1128 | set_to_cap_if_null(ops, key_permission); | |
1129 | set_to_cap_if_null(ops, key_getsecurity); | |
1130 | #endif /* CONFIG_KEYS */ | |
1131 | #ifdef CONFIG_AUDIT | |
1132 | set_to_cap_if_null(ops, audit_rule_init); | |
1133 | set_to_cap_if_null(ops, audit_rule_known); | |
1134 | set_to_cap_if_null(ops, audit_rule_match); | |
1135 | set_to_cap_if_null(ops, audit_rule_free); | |
1136 | #endif | |
1137 | } |